tofsee | b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 13:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe
Size

154KB
MD5

886b4b87250c31f9e17d0be3dde1a920
SHA1

94067fea1c477011731f491d912d3f1cb4f893b2
SHA256

b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23
SHA512

bee9cdbb85f872427b4d03a8fcd88eab072c23e50c305d9ddd41cfa66e6e5499c00a8c2ef5361db889a9833cc667ddfa7e820e399b645ec058e1890d9dd93db3
SSDEEP

1536:erVyHQFQPU7RC5tMrFDfyRJei5BRHlt2GXHxB53ti5q77OUhm1ZrAPt/CD6H:eUURMtMrFj0t5B1ltlHxB5dP77GA0O

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\qyeozrqn = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1940	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\qyeozrqn\ImagePath = "C:\\Windows\\SysWOW64\\qyeozrqn\\qxvglgui.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2268	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	qxvglgui.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2268	2764	qxvglgui.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2740	sc.exe
2804	sc.exe
3020	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qxvglgui.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2728	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	30
PID 2188 wrote to memory of 2728	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	30
PID 2188 wrote to memory of 2728	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	30
PID 2188 wrote to memory of 2728	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	30
PID 2188 wrote to memory of 2800	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	32
PID 2188 wrote to memory of 2800	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	32
PID 2188 wrote to memory of 2800	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	32
PID 2188 wrote to memory of 2800	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	32
PID 2188 wrote to memory of 2740	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	34
PID 2188 wrote to memory of 2740	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	34
PID 2188 wrote to memory of 2740	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	34
PID 2188 wrote to memory of 2740	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	34
PID 2188 wrote to memory of 2804	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	36
PID 2188 wrote to memory of 2804	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	36
PID 2188 wrote to memory of 2804	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	36
PID 2188 wrote to memory of 2804	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	36
PID 2188 wrote to memory of 3020	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	38
PID 2188 wrote to memory of 3020	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	38
PID 2188 wrote to memory of 3020	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	38
PID 2188 wrote to memory of 3020	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	38
PID 2188 wrote to memory of 1940	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	41
PID 2188 wrote to memory of 1940	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	41
PID 2188 wrote to memory of 1940	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	41
PID 2188 wrote to memory of 1940	2188	JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe	41
PID 2764 wrote to memory of 2268	2764	qxvglgui.exe	43
PID 2764 wrote to memory of 2268	2764	qxvglgui.exe	43
PID 2764 wrote to memory of 2268	2764	qxvglgui.exe	43
PID 2764 wrote to memory of 2268	2764	qxvglgui.exe	43
PID 2764 wrote to memory of 2268	2764	qxvglgui.exe	43
PID 2764 wrote to memory of 2268	2764	qxvglgui.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qyeozrqn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qxvglgui.exe" C:\Windows\SysWOW64\qyeozrqn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qyeozrqn binPath= "C:\Windows\SysWOW64\qyeozrqn\qxvglgui.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qyeozrqn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qyeozrqn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1940

C:\Windows\SysWOW64\qyeozrqn\qxvglgui.exe
C:\Windows\SysWOW64\qyeozrqn\qxvglgui.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b23f703c7ca079fa43cc7fb65f58ec401533fada301eeeec2403ef68f339bf23.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\qxvglgui.exe

Filesize
13.3MB

MD5
193cd9260b5d624fc50f53cb2c534032

SHA1
4c2f806ea4f05d1f634e38b11852b7d317a15369

SHA256
7b6d40fbb2bd23fcb280bca73496a4f0c916a6e95f7b58c777d87a253de60dc5

SHA512
1857aaa12c5892b32aa43479d244a48e2b96866664d0d9dc399da60c37c225e3475cf180ef115eee3d860b6058ff0bbf713267a9c5d8e1c5631f90fa4e4abe9e

Download Submit
memory/2188-8-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2188-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2188-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2188-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2188-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2188-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2268-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2268-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2268-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2268-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2268-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2764-17-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads